Country Welfare and the sale of population

Selling population has a bad influence on the country welfare index. Selling large numbers of the population can cause the welfare index to be multiplied by a factor that is between 0 and 1 and totally depends on the number of times the empire has sold population, bought population and how long ago all this took place.

The number declines with each sale of population in any country in the empire. It is climbing with each purchase of population by the empire and it is repaired slowly towards a value of 1, with each (game) month in which there was no sale of population. The number can reach a low of 0.5 and cut the welfare index by half.